Viscosity of Dental Porcelain as a Function of Temperature
- 1 October 1979
- journal article
- Published by SAGE Publications in Journal of Dental Research
- Vol. 58 (10) , 2001-2004
- https://doi.org/10.1177/00220345790580100701
Abstract
A method for viscosity measurement is described and representative data are given for opaque, gingival, and incisal porcelains. The significance of viscosity in annealing and in stress development due to thermal expansion mismatch is discussed. Thermal history of the porcelain is shown to be important only over a relatively small temperature interval in affecting residual stresses.Keywords
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